CN112792276A - Manufacturing process of high-precision engine crankshaft - Google Patents
Manufacturing process of high-precision engine crankshaft Download PDFInfo
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- CN112792276A CN112792276A CN202110041986.7A CN202110041986A CN112792276A CN 112792276 A CN112792276 A CN 112792276A CN 202110041986 A CN202110041986 A CN 202110041986A CN 112792276 A CN112792276 A CN 112792276A
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- Prior art keywords
- engine crankshaft
- precision engine
- groove
- frames
- groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/08—Making machine elements axles or shafts crankshafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- General Engineering & Computer Science (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention relates to a manufacturing process of a high-precision engine crankshaft, which comprises a workbench, a fixing device and a cleaning device, wherein the top of the workbench is provided with the fixing device, the cleaning device is arranged above the fixing device and comprises a telescopic support plate, a second round through hole, a limiting rod, a moving frame, a water containing hollow tube, a conical round tube and a cleaning frame, the manufactured high-precision engine crankshaft needing to be processed is firstly placed on the fixing device in batch for feeding through the matching of the workbench, the fixing device and the cleaning device, the batch high-precision engine crankshaft is clamped and fixed by the fixing device after feeding, so that the working efficiency of the machine is improved when surface processing is carried out again, and after the crankshaft is clamped and fixed, the high-precision engine crankshaft is cleaned and wiped by the cleaning device, thereby improving the working efficiency of the machine.
Description
Technical Field
The invention relates to the field of manufacturing of engine crankshafts, in particular to a high-precision manufacturing process of an engine crankshaft.
Background
The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, and the crankshaft is subjected to the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force to bear the action of bending and twisting load. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the surface of the journal needs to be wear-resistant, work uniformly and balance well.
However, the following problems exist in the surface treatment process of the high-precision engine crankshaft after the high-precision engine crankshaft in the current market is manufactured: a. in the process of carrying out surface treatment on a high-precision engine crankshaft after the traditional high-precision engine crankshaft is manufactured, due to the structural limitation of the high-precision engine crankshaft, when the surface treatment is carried out on the high-precision crankshaft, a plurality of groups of simultaneous treatment cannot be realized at one time, and therefore the working efficiency of machinery when the surface treatment is carried out is reduced. b. In the process of carrying out surface treatment on the high-precision engine crankshaft after the traditional high-precision engine crankshaft is manufactured, due to the structural limitation of the high-precision engine crankshaft, the high-precision engine crankshaft is generally cleaned when the surface treatment is carried out on the high-precision crankshaft, and the high-precision engine crankshaft cannot be quickly wiped dry after being cleaned, so that the working efficiency of machinery is reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a high-precision manufacturing process of an engine crankshaft, which can solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a manufacturing process of a high-precision engine crankshaft specifically comprises the following steps:
s1, feeding: firstly, taking carbon structural steel for casting a crankshaft as a blank, then heating the forged blank, performing die forging forming and finally cooling to obtain a formed high-precision engine crankshaft, and at the moment, putting the manufactured high-precision engine crankshaft needing to be processed on a fixing device in batch for loading;
s2, fixing: after the step of S1 is completed, clamping and fixing the high-precision engine crankshaft which is placed on the fixing device and needs to be processed by the fixing device;
s3, cleaning: after the step of S3 is completed, after the high-precision engine crankshaft needing to be processed is clamped and fixed, the cleaning device is started at the moment, so that the cleaning device can clean the high-precision engine crankshaft;
s4, drying: after the step of S3 is completed, starting the cleaning device again at the moment, so that the cleaning device can dry the cleaned high-precision engine crankshaft;
s5, blanking: after the step of S4 is completed, discharging the processed high-precision engine crankshaft;
the manufacturing process of the high-precision engine crankshaft adopting the steps S1-S5 also specifically relates to high-precision engine crankshaft manufacturing equipment in the manufacturing process of the high-precision engine crankshaft, which comprises a workbench, a fixing device and a cleaning device, wherein the fixing device is arranged at the top of the workbench, and the cleaning device is arranged above the fixing device;
the fixing device comprises vertical fixing frames, a first round through hole, clamping frames and rotating frames, wherein the vertical fixing frames are symmetrically and fixedly arranged on the left side and the right side of the top of the workbench, a plurality of groups of first round through holes are uniformly formed in the opposite surfaces of the two groups of vertical fixing frames from front to back, the clamping frames are arranged in the plurality of groups of first round through holes, and the rotating frames are arranged outside the plurality of groups of clamping frames on one side of one group of vertical fixing frames;
the cleaning device comprises a telescopic support plate, a second round through hole, a limiting rod, a moving frame, a water containing hollow pipe, a conical round pipe and a cleaning frame, wherein the top parts of two groups of vertical fixing frames are fixedly provided with the telescopic support plate, the opposite surfaces of the two groups of telescopic support plates are uniformly provided with the second round through hole from front to back, the limiting rod is arranged in the second round through hole through a bearing, the moving frame is arranged outside the limiting rod on one side of one group of telescopic support plates, the middle part of the limiting rod is provided with a first round groove, the bottom part of the limiting rod is uniformly provided with positioning holes from left to right, the water containing hollow pipe is arranged in the first round groove, the bottom part of the water containing hollow pipe is provided with a third round through hole corresponding to the positioning holes, the conical round pipe is fixedly arranged in the third round through hole, and the positioning holes are arranged to extend outwards by, and the top of the limiting rod is uniformly provided with a cleaning frame from left to right;
the cleaning rack comprises a limiting groove, a bidirectional telescopic rod, clamping plates and a water absorption sponge, the limiting groove is evenly formed in the top of the limiting rod from left to right, the bidirectional telescopic rod is fixedly installed in the limiting groove, two groups of clamping plates are fixedly installed at two ends of the bidirectional telescopic rod, the two groups of clamping plates are arranged on the back of each other, and the water absorption sponge is detachable.
As a preferred technical scheme of the invention, the clamping frame comprises an annular cylinder, a circular block, a second circular groove, an air bag, a sliding groove, a moving rod, a compression spring and an arc-shaped fixed block, the first circular through is internally and fixedly provided with the annular cylinder through a bearing, one end of the annular cylinder, which is positioned at the outer side of the vertical fixed frame, is fixedly provided with the circular block, the annular cylinder is provided with the second circular groove at one end, which is positioned at the inner side of the vertical fixed frame, the second circular groove is internally and fixedly provided with the air bag, the inner wall of the annular cylinder is uniformly provided with the sliding groove along the circumferential direction, the moving rod is arranged in the sliding groove, one end of the moving rod is fixedly connected with the air bag, the compression spring is sleeved outside the moving rod, one end of the compression spring is fixedly connected with the air bag, and the other end of the compression spring is fixedly connected, and one end of the moving rod, which is positioned in the annular cylinder, is fixedly provided with an arc-shaped fixed block.
As a preferred technical scheme of the invention, the rotating frame comprises chain wheels, chains, driven gears, driving motors and driving gears, wherein the chain wheels are fixedly arranged outside a plurality of groups of annular cylinders on one side of a group of vertical fixing frames, the plurality of groups of chain wheels are in transmission connection through the chains, the driven gears are sleeved outside a group of annular cylinders, a placing groove is formed in the outer side of one group of vertical fixing frames, the driving motors are arranged in the placing groove, the driving gears are fixedly arranged on output shafts of the driving motors, and the driving gears and the driven gears are in meshing transmission.
As a preferred technical scheme of the invention, the moving frame comprises a transmission belt, a first gear, an L-shaped plate, a first motor and a second gear, wherein a plurality of groups of limiting rods on one side of one group of telescopic support plates are in transmission connection through the transmission belt, the first gear is sleeved on the outer side of one group of limiting rods, the L-shaped plate is fixedly installed on the outer side of one group of telescopic support plates, the first motor is fixedly installed at one end of the vertical section of the L-shaped plate, the second gear is fixedly installed on the output shaft of the first motor, and the first gear and the second gear are in meshing transmission.
As a preferable technical scheme of the invention, a water containing box is arranged at the top of the workbench and between the two groups of vertical fixing frames.
As a preferred technical scheme of the invention, the inner wall of the conical circular tube is provided with a moving groove, a filter screen plate is arranged in the moving groove, and the filter screen plate with different meshes can be replaced.
As a preferred technical scheme of the invention, the bottom of the clamping plate is provided with a first arc-shaped groove, and a plurality of groups of cylindrical rollers are uniformly arranged in the first arc-shaped groove.
The invention has the beneficial effects that:
1. according to the invention, through the matching of the arranged workbench, the fixing device and the cleaning device, firstly, the manufactured high-precision engine crankshafts needing to be processed are placed on the fixing device in batches for loading, and then the arranged fixing device is used for clamping and fixing the high-precision engine crankshafts in batches after loading, so that the working efficiency of the machine during surface processing is improved.
2. According to the invention, through the arranged clamping frame, when the manufactured high-precision engine crankshafts needing to be processed are placed between the two groups of vertical fixing frames in batches, the air bags are blown, and the air bags extrude the movable rods to contract inwards under the action of the compression springs, so that the movable rods push the arc-shaped fixing blocks to clamp and fix the high-precision engine crankshafts, and the phenomenon of inclination when the high-precision engine crankshafts are cleaned again is prevented, and the working efficiency during cleaning is prevented from being influenced.
3. According to the invention, through the arranged moving frame, when the cleaning device finishes cleaning the high-precision engine crankshaft, the first motor is started at the moment, the first motor drives the second gear to rotate, the first gear drives the multiple limiting rods to rotate 180 degrees under the action of the transmission belt, and the multiple limiting rods drive the cleaning frame to be positioned above the high-precision engine crankshaft, so that the high-precision engine crankshaft is conveniently wiped.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic diagram of the right-hand side view of the present invention;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 5 in accordance with the present invention;
FIG. 8 is a schematic view of the first and second gears of the present invention;
FIG. 9 is an enlarged view of a portion of the invention at M of FIG. 5;
FIG. 10 is a schematic diagram of the structure of the work object of the present invention;
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-10, a process for manufacturing a high-precision engine crankshaft specifically comprises the following steps:
s1, feeding: firstly, taking carbon structural steel for casting a crankshaft as a blank, then heating the forged blank, performing die forging forming and finally cooling to obtain a formed high-precision engine crankshaft, and at the moment, putting the manufactured high-precision engine crankshaft needing to be processed on a fixing device 2 in batch for loading;
s2, fixing: after the step of S1 is completed, the high-precision engine crankshaft to be processed, which is placed on the fixing device 2, is clamped and fixed by the fixing device 2;
s3, cleaning: after the step of S3 is completed, after the high-precision engine crankshaft needing to be processed is clamped and fixed, the cleaning device 3 is started at the moment, so that the cleaning device 3 can clean the high-precision engine crankshaft;
s4, drying: after the step of S3 is completed, the cleaning device 3 is started again at the moment, so that the cleaning device 3 can dry the cleaned high-precision engine crankshaft;
s5, blanking: after the step of S4 is completed, discharging the processed high-precision engine crankshaft;
the manufacturing process of the high-precision engine crankshaft adopting the steps S1-S5 also specifically relates to high-precision engine crankshaft manufacturing equipment in the manufacturing process of the high-precision engine crankshaft, which comprises a workbench 1, a fixing device 2 and a cleaning device 3, wherein the fixing device 2 is arranged at the top of the workbench 1, and the cleaning device 3 is arranged above the fixing device 2;
the fixing device 2 comprises a vertical fixing frame 21, a first round through hole 22, a clamping frame 23 and a rotating frame 24, wherein the vertical fixing frame 21 is symmetrically and fixedly arranged on the left side and the right side of the top of the workbench 1, a plurality of groups of first round through holes 22 are uniformly formed in the opposite surfaces of the two groups of vertical fixing frames 21 from front to back, the clamping frame 23 is arranged in the plurality of groups of first round through holes, and the rotating frame 24 is arranged outside the plurality of groups of clamping frames 23 on one side of one group of vertical fixing frames 21;
firstly, placing the manufactured high-precision engine crankshafts needing to be processed between two groups of vertical fixing frames 21 in batches, clamping and fixing the manufactured high-precision engine crankshafts needing to be processed through the arranged clamping frames 23, preventing the manufactured high-precision engine crankshafts from being displaced when being processed, so that the high-precision engine crankshafts cannot be accurately processed, and starting the rotating frame 24 when the cleaning device 3 cleans and dries the manufactured high-precision engine crankshafts needing to be processed, so that the rotating frame 24 drives a plurality of groups of high-precision crankshafts to rotate, thereby completing cleaning and drying;
the clamping frame 23 comprises an annular cylinder 231, a circular block 232, a second circular groove 233, an air bag 234, a sliding groove 235, a moving rod 236, a compression spring 237 and an arc-shaped fixing block 238, the first circular through is internally and fixedly provided with the annular cylinder 231 through a bearing, one end of the annular cylinder 231, which is positioned at the outer side of the vertical fixing frame 21, is fixedly provided with the circular block 232, one end of the annular cylinder 231, which is perpendicular to the inner side of the vertical fixing frame 21, is provided with the second circular groove 233, the second circular groove 233 is internally and fixedly provided with the air bag 234, the inner wall of the annular cylinder 231 is uniformly provided with the sliding groove 235 along the circumferential direction, the moving rod 236 is arranged in the sliding groove 235, one end of the moving rod 236 is fixedly connected with the inner end 234 of the air bag, the compression spring 237 is sleeved outside the moving rod 236, one end of the compression spring 237 is fixedly connected with the air bag 234, and the other end of the compression, an arc-shaped fixed block 238 is fixedly arranged at one end of the moving rod 236 positioned in the annular cylinder 231;
when manufactured high-precision engine crankshafts needing to be processed are placed between two groups of vertical fixing frames 21 in batches, the air bags 234 are blown, the air bags 234 extrude the moving rods 236 to contract inwards under the action of the compression springs 237, the moving rods 236 enable the arc-shaped fixing blocks 238 to contract, so that the moving rods 236 push the arc-shaped fixing blocks 238 to clamp and fix the high-precision engine crankshafts, after cleaning and drying are completed, the air bags 234 are not blown, the arc-shaped fixing blocks 238 are not clamped and fixed, and finally the cleaned and dried high-precision engine crankshafts are subjected to blanking, so that the next group of engine crankshafts can be conveniently cleaned;
the rotating frame 24 comprises a chain wheel 241, a chain 242, a driven gear 243, a driving motor 244 and a driving gear 245, wherein the chain wheel 241 is fixedly installed outside a plurality of groups of annular cylinders 231 on one side of one group of vertical fixing frames 21, the plurality of groups of chain wheels 241 are in transmission connection through the chain 242, the driven gear 243 is further sleeved outside one group of annular cylinders 231, a placing groove is formed in the outer side of one group of vertical fixing frames 21, the driving motor 244 is installed in the placing groove, the driving gear 245 is fixedly installed on an output shaft of the driving motor 244, and the driving gear 245 and the driven gear 243 are in meshing transmission;
when cleaning device 3 washs and dry the high accuracy engine crankshaft that makes the needs of handling, start driving motor 244 this moment, driving motor 244 drives driving gear 245 and rotates, it rotates to make driving gear 245 drive driven gear 243 rotate, driven gear 243 drives ring section of thick bamboo 231 and rotates, ring section of thick bamboo 231 drives sprocket 241 and rotates, it rotates to drive all the other several groups of ring section of thick bamboo 231 under the effect of chain 242 this moment, it is more comprehensive to make cleaning device 3 when wasing high accuracy engine crankshaft.
The cleaning device 3 comprises a telescopic support plate 31, a second round through hole 32, a limiting rod 33, a moving frame 34, a water containing hollow pipe 35, a conical round pipe 36 and a cleaning frame 37, wherein the telescopic support plate 31 is fixedly arranged at the top of two groups of vertical fixing frames 21, the second round through hole 32 is uniformly formed in the opposite surfaces of the two groups of telescopic support plates 31 from front to back, the limiting rod 33 is arranged in the second round through hole 32 through a bearing, the moving frame 34 is arranged outside the limiting rod 33 at one side of one group of telescopic support plates 31, a first round groove is formed in the middle of the limiting rod 33, positioning holes are uniformly formed in the bottom of the limiting rod 33 from left to right, the water containing hollow pipe 35 is arranged in the first round groove, a third round through hole is formed in the bottom of the water containing hollow pipe 35 relative to the positioning holes, the conical round pipe 36 is fixedly arranged in the third round through hole, the conical round tube 36 penetrates through the positioning hole to extend outwards, and the top of the limiting rod 33 is uniformly provided with a cleaning frame 37 from left to right;
after the clamping device clamps and fixes the manufactured high-precision engine crankshaft needing to be processed, at this time, the telescopic bracket plate 31 is displaced downwards, so that the limiting rod 33 on the telescopic bracket plate 31 is displaced downwards, meanwhile, the bottom of the conical round tube 36 is positioned above the manufactured high-precision engine crankshaft needing to be processed, water is injected into the water containing hollow tube 35 at the moment, so that the water can flow out of the conical round tube 36, so as to clean the manufactured high-precision engine crankshaft which needs to be treated, and after the cleaning is finished, the telescopic support plate 31 is displaced upwards, at this time, the moving frame 34 is started, the moving frame 34 enables the limiting rod 33 to rotate 180 degrees, at this time, the telescopic support plate 31 is started to displace downwards, the cleaning frame 37 is positioned above the manufactured high-precision engine crankshaft to be processed, and the cleaned high-precision engine crankshaft is wiped by the cleaning frame 37;
the movable frame 34 comprises a transmission belt 341, a first gear 342, an L-shaped plate 343, a first motor 344 and a second gear 345, wherein a plurality of groups of limiting rods 33 on one side of one group of telescopic bracket plates 31 are in transmission connection through the transmission belt 341, the first gear 342 is sleeved outside one group of limiting rods 33, the L-shaped plate 343 is fixedly installed on the outside of one group of telescopic bracket plates 31, the first motor 344 is fixedly installed at one end of the vertical section of the L-shaped plate 343, the second gear 345 is fixedly installed on the output shaft of the first motor 344, and the first gear 342 and the second gear 345 are in meshing transmission;
after the cleaning device 3 finishes cleaning the high-precision engine crankshaft, the first motor 344 is started at the moment, the first motor 344 drives the second gear 345 to rotate, the second gear 345 drives the first gear 342 to rotate 180 degrees, the first gear 342 drives the multiple groups of limiting rods 33 to rotate 180 degrees under the action of the transmission belt 341, and the multiple groups of limiting rods 33 drive the cleaning frame 37 to be located above the high-precision engine crankshaft, so that the high-precision engine crankshaft is conveniently wiped;
a moving groove is formed in the inner wall of the conical circular tube 36, a filter screen plate 361 is arranged in the moving groove, and the filter screen plate 361 with different meshes can be replaced;
the filter screen plate 361 can be replaced according to the size of the meshes of the filter screen plate 361, when the meshes of the filter screen plate 361 are small, the water impact force in the conical round tube 36 is strong, stains attached to a high-precision engine crankshaft can be cleaned, and the high-precision engine crankshaft can be cleaned more thoroughly;
the cleaning frame 37 comprises a limiting groove 371, a bidirectional telescopic rod 372, clamping plates 373 and water-absorbing sponge 374, the limiting groove 371 is uniformly formed in the top of the limiting rod 33 from left to right, the bidirectional telescopic rod 372 is fixedly installed in the limiting groove 371, two groups of clamping plates 373 are fixedly installed at two ends of the bidirectional telescopic rod 372, the water-absorbing sponge 374 is arranged on the opposite surfaces of the two groups of clamping plates 373, and the water-absorbing sponge 374 is detachable;
after the high-precision engine crankshaft is cleaned, the telescopic support plate 31 moves upwards, the bidirectional telescopic rod 372 is started at the moment, and the bidirectional telescopic rod 372 opens outwards to drive the two groups of clamping plates 373 to open outwards, so that the two groups of water-absorbing sponges 374 wipe the cleaned high-precision engine crankshaft, and the water-absorbing sponges 374 can be detached and replaced at any time, so that the water-absorbing effect is stronger;
a first arc-shaped groove is formed in the bottom of the clamping plate 373, and a plurality of groups of cylindrical rollers are uniformly arranged in the first arc-shaped groove;
when starting bidirectional expansion pole 372, the both ends of bidirectional expansion pole 372 drive pinch-off blades 373 at spacing groove 371 and carry out the displacement this moment, and pinch-off blades 373 can reduce frictional force under the effect of cylinder roller to make pinch-off blades 373 the smooth slip in spacing groove 371.
A water containing box 11 is arranged at the top of the workbench 1 and between the two groups of vertical fixing frames 21;
when the cleaning device 3 is used for cleaning the high-precision engine crankshaft, water for cleaning the high-precision engine crankshaft drops into the water containing box 11, and the cleaning water is prevented from dropping onto the workbench 1 to pollute the workbench 1.
When the engine crankshaft cleaning device works specifically, firstly, a manufactured high-precision engine crankshaft needing to be processed is placed between two groups of vertical fixing frames 21 in batches, at the moment, the air bag 234 is blown, at the moment, under the action of the compression spring 237, the air bag 234 extrudes the moving rod 236 to shrink inwards, the moving rod 236 enables the arc-shaped fixing block 238 to shrink, so that the moving rod 236 pushes the arc-shaped fixing block 238 to clamp and fix the high-precision engine crankshaft, at the moment, the telescopic support plate 31 displaces downwards, the limiting rod 33 on the telescopic support plate 31 displaces downwards, meanwhile, the bottom of the conical circular tube 36 is positioned above the manufactured high-precision engine crankshaft needing to be processed, at the moment, water is injected into the water containing hollow tube 35, so that the water can flow out of the conical circular tube 36, and the manufactured high-precision engine crankshaft needing to be processed is cleaned, when cleaning, the driving motor 244 is started at the moment, so that the driven gear 243 drives the annular cylinder 231 to rotate, the annular cylinder 231 drives the chain wheel 241 to rotate, at the moment, the other groups of annular cylinders 231 are driven to rotate under the action of the chain 242, so that the cleaning device 3 can more comprehensively clean the high-precision engine crankshaft, after cleaning is completed, the telescopic support plate 31 moves upwards, the first motor 344 is started, the first motor 344 enables the second gear 345 to drive the first gear 342 to rotate for 180 degrees, at the moment, the first gear 342 drives the multiple groups of limiting rods 33 to rotate for 180 degrees under the action of the transmission belt 341, the multiple groups of limiting rods 33 drive the cleaning frame 37 to be positioned above the high-precision engine crankshaft, so that the high-precision engine crankshaft can be conveniently wiped, and in the process of cleaning the high-precision engine crankshaft by the cleaning device 3, water for cleaning the high-precision engine crankshaft falls into the water containing box 11 at the moment, prevent that abluent water from dropping on workstation 1, making dirty workstation 1, after cleaning the completion of wiping high accuracy engine crankshaft, no longer blowing to gasbag 234, arc fixed block 238 no longer presss from both sides tight fixed to high accuracy engine crankshaft this moment, will wash the high accuracy engine crankshaft that wipes futilely at last again carry out the unloading can to the convenience is washd a set of engine crankshaft next.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A manufacturing process of a high-precision engine crankshaft is characterized by comprising the following steps: the manufacturing process of the high-precision engine crankshaft specifically comprises the following steps:
s1, feeding: firstly, taking carbon structural steel for casting a crankshaft as a blank, then heating the forged blank, performing die forging forming and finally cooling to obtain a formed high-precision engine crankshaft, and at the moment, putting the manufactured high-precision engine crankshaft needing to be processed on a fixing device (2) in batches for feeding;
s2, fixing: after the step S1 is completed, clamping and fixing the high-precision engine crankshaft which is placed on the fixing device (2) and needs to be processed by the fixing device (2);
s3, cleaning: after the step of S3 is completed, after the high-precision engine crankshaft needing to be processed is clamped and fixed, the cleaning device (3) is started at the moment, so that the cleaning device (3) can clean the high-precision engine crankshaft;
s4, drying: after the step S3 is completed, the cleaning device (3) is started again at the moment, so that the cleaning device (3) can dry the cleaned high-precision engine crankshaft;
s5, blanking: after the step of S4 is completed, discharging the processed high-precision engine crankshaft;
the manufacturing process of the high-precision engine crankshaft adopting the steps S1-S5 also specifically relates to high-precision engine crankshaft manufacturing equipment in the manufacturing process of the high-precision engine crankshaft, which comprises a workbench (1), a fixing device (2) and a cleaning device (3), wherein the fixing device (2) is arranged at the top of the workbench (1), and the cleaning device (3) is arranged above the fixing device (2);
the fixing device (2) comprises a vertical fixing frame (21), a first round through hole (22), clamping frames (23) and rotating frames (24), the vertical fixing frame (21) is symmetrically and fixedly installed on the left side and the right side of the top of the workbench (1), a plurality of groups of first round through holes (22) are uniformly formed in the opposite surfaces of the two groups of vertical fixing frames (21) from front to back, the clamping frames (23) are arranged in the plurality of groups of first round through holes, and the rotating frames (24) are arranged outside the plurality of groups of clamping frames (23) on one side of one group of vertical fixing frames (21);
the cleaning device (3) comprises telescopic support plates (31), two circular through holes (32), limiting rods (33), moving frames (34), water containing hollow pipes (35), conical round pipes (36) and cleaning frames (37), the telescopic support plates (31) are fixedly mounted at the tops of two groups of vertical fixing frames (21), the two circular through holes (32) are uniformly formed in the opposite surfaces of the two groups of telescopic support plates (31) from front to back, the limiting rods (33) are mounted in the two circular through holes (32) through bearings, the moving frames (34) are arranged outside the limiting rods (33) on one side of one group of telescopic support plates (31), the middle parts of the limiting rods (33) are provided with one circular groove, the bottom of the limiting rods (33) is uniformly provided with positioning holes from left to right, the water containing hollow pipes (35) are mounted in the one circular groove, the bottom of the water containing hollow pipes (35) is provided with three circular through holes relative to the positions of the positioning holes, a conical round pipe (36) is fixedly arranged in the third round through hole, the conical round pipe (36) penetrates through the positioning hole and extends outwards, and cleaning frames (37) are uniformly arranged on the top of the limiting rod (33) from left to right;
wash rack (37) including spacing groove (371), two-way telescopic link (372), pinch-off blades (373) and sponge (374) absorb water, the top of gag lever post (33) from left to right evenly seted up spacing groove (371), spacing groove (371) internal fixation install two-way telescopic link (372), two ends fixed mounting of two-way telescopic link (372) have two sets of pinch-off blades (373), two sets of pinch-off blades (373) back of the body be provided with sponge (374) absorb water, and sponge (374) absorb water is detachable.
2. A process for manufacturing a high-precision engine crankshaft as claimed in claim 1, wherein: the clamping frame (23) comprises an annular cylinder (231), a circular block (232), a second circular groove (233), an air bag (234), a sliding groove (235), a moving rod (236), a compression spring (237) and an arc-shaped fixing block (238), the first circular through is internally and fixedly provided with the annular cylinder (231) through a bearing, one end of the annular cylinder (231) positioned at the outer side of the vertical fixing frame (21) is fixedly provided with the circular block (232), the annular cylinder (231) is provided with the second circular groove (233) at one end of the inner side of the vertical fixing frame (21), the air bag (234) is fixedly arranged in the second circular groove (233), the sliding groove (235) is uniformly formed in the inner wall of the annular cylinder (231) along the circumferential direction, the moving rod (236) is arranged in the sliding groove (235), one end of the moving rod (236) is fixedly connected with the air bag (234), a compression spring (237) is sleeved outside the moving rod (236), one end of the compression spring (237) is fixedly connected with the air bag (234), the other end of the compression spring (237) is fixedly connected with the inner end face of the second round groove (233), and an arc-shaped fixed block (238) is fixedly installed at one end, located in the annular cylinder (231), of the moving rod (236).
3. A process for manufacturing a high-precision engine crankshaft as claimed in claim 1, wherein: the rotating frame (24) comprises a chain wheel (241), a chain (242), a driven gear (243), a driving motor (244) and a driving gear (245), wherein the chain wheel (241) is fixedly installed outside a plurality of groups of annular cylinders (231) on one side of a group of vertical fixing frames (21), the plurality of groups of chain wheels (241) are connected through the chain (242) in a transmission mode, the driven gear (243) is further sleeved outside a group of annular cylinders (231), a placing groove is formed in the outer side of the vertical fixing frames (21), the driving motor (244) is installed in the placing groove, the driving gear (245) is fixedly installed on an output shaft of the driving motor (244), and the driving gear (245) and the driven gear (243) are in meshing transmission.
4. A process for manufacturing a high-precision engine crankshaft as claimed in claim 1, wherein: remove frame (34) include transmission band (341), a gear (342), L shaped plate (343), a motor (344) and No. two gears (345), wherein multiunit gag lever post (33) of a set of telescopic bracket board (31) one side is connected through transmission band (341) transmission, and wherein one set of the outside cover of gag lever post (33) be equipped with a gear (342), wherein a set of the outside fixed mounting of telescopic bracket board (31) have L shaped plate (343), the one end fixed mounting of the vertical section of L shaped plate (343) have a motor (344), the output shaft fixed mounting of a motor (344) has No. two gears (345), and a gear (342) and No. two gears (345) meshing transmission.
5. A process for manufacturing a high-precision engine crankshaft as claimed in claim 1, wherein: and a water containing box (11) is arranged at the top of the workbench (1) and between the two groups of vertical fixing frames (21).
6. A process for manufacturing a high-precision engine crankshaft as claimed in claim 1, wherein: the inner wall of the conical round tube (36) is provided with a moving groove, a filter screen plate (361) is arranged in the moving groove, and the filter screen plate (361) with different meshes can be replaced.
7. A process for manufacturing a high-precision engine crankshaft as claimed in claim 1, wherein: the bottom of the clamping plate (373) is provided with an arc groove, and a plurality of groups of cylindrical rollers are uniformly arranged in the arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041986.7A CN112792276A (en) | 2021-01-13 | 2021-01-13 | Manufacturing process of high-precision engine crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041986.7A CN112792276A (en) | 2021-01-13 | 2021-01-13 | Manufacturing process of high-precision engine crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112792276A true CN112792276A (en) | 2021-05-14 |
Family
ID=75810460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110041986.7A Withdrawn CN112792276A (en) | 2021-01-13 | 2021-01-13 | Manufacturing process of high-precision engine crankshaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN112792276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042679A (en) * | 2021-11-16 | 2022-02-15 | 丽水市农林科学研究院 | Washing sieving mechanism of rhizome class medicinal material rhizome of sealwort |
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| CN207463696U (en) * | 2017-09-30 | 2018-06-08 | 重庆市云阳曲轴有限责任公司 | A kind of bent axle cleaning, drying equipment |
| CN108941402A (en) * | 2018-09-19 | 2018-12-07 | 韶关市德丰机械有限公司 | A kind of crankshaft forging technique and its method |
| CN111496686A (en) * | 2020-04-24 | 2020-08-07 | 合肥集知匠心科技发展有限公司 | Manufacturing process of high-precision engine crankshaft casting |
| CN212120991U (en) * | 2020-04-20 | 2020-12-11 | 辽宁科创重型内燃机曲轴有限公司 | Crankshaft cleaning and drying integrated device |
| CN212191547U (en) * | 2020-02-22 | 2020-12-22 | 河北敬业钢构科技股份有限公司 | Raw material cutting device is used in production of steel construction spliced pole |
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2021
- 2021-01-13 CN CN202110041986.7A patent/CN112792276A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207463696U (en) * | 2017-09-30 | 2018-06-08 | 重庆市云阳曲轴有限责任公司 | A kind of bent axle cleaning, drying equipment |
| CN108941402A (en) * | 2018-09-19 | 2018-12-07 | 韶关市德丰机械有限公司 | A kind of crankshaft forging technique and its method |
| CN212191547U (en) * | 2020-02-22 | 2020-12-22 | 河北敬业钢构科技股份有限公司 | Raw material cutting device is used in production of steel construction spliced pole |
| CN212120991U (en) * | 2020-04-20 | 2020-12-11 | 辽宁科创重型内燃机曲轴有限公司 | Crankshaft cleaning and drying integrated device |
| CN111496686A (en) * | 2020-04-24 | 2020-08-07 | 合肥集知匠心科技发展有限公司 | Manufacturing process of high-precision engine crankshaft casting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114042679A (en) * | 2021-11-16 | 2022-02-15 | 丽水市农林科学研究院 | Washing sieving mechanism of rhizome class medicinal material rhizome of sealwort |
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